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Network Tools

NS Lookup

Find nameservers for a domain.

Tool

Use this NS lookup tool to check which authoritative nameservers are configured for a domain. It is useful for DNS setup, delegation checks, registrar changes, migrations, and troubleshooting propagation issues.

About this tool

Use this NS lookup tool to check which authoritative nameservers are configured for a domain. It is useful for DNS setup, delegation checks, registrar changes, migrations, and troubleshooting propagation issues.

Use ns lookup when you need a fast browser-based result without extra setup. It works well for quick checks, one-off tasks, and routine formatting or calculation work.

Learn more

Why use this tool

How to use

  1. Paste the domain into the input box.
  2. Run the tool to check its NS records.
  3. Review the returned nameserver list.
  4. Copy the result if needed for notes, support, or verification.

Examples

Example

Input

example.com

Output

Authoritative nameserver list

Shows which nameservers are assigned to the domain.

Common errors

The input is a URL instead of a bare domain.

Fix: Use the domain only when checking NS records.

The user expects MX or TXT results instead of nameservers.

Fix: Use the matching DNS tool for the record type you actually need.

The results look old during a recent migration.

Fix: Remember that DNS propagation and caching can delay visible changes.

FAQ

What does NS Lookup show?

It shows the authoritative nameservers assigned to the domain.

When should I use it?

Use it when checking DNS delegation, moving domains, or troubleshooting DNS propagation issues.

What is this useful for?

It is useful for migration checks, registrar changes, and verifying which nameservers a domain is using.

Is this NS lookup free to use?

Yes. It works online in the browser.

When should I use NS Lookup instead of WHOIS Lookup?

Use NS lookup when you want live nameserver records. Use WHOIS when you want broader registration details.

Use cases

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